Saw-guard.



A. A. RUTTAN.

SAW GUARD.

APPLICATION FILED JULYZZ, I9I2.

LEQQQGGE Patented May 25, 1915.

2 SHEETS-SHEET E YIIIIIIIIIIIIIIII" llll'lllllllllllll 41 i 7:65 WW THENORRIS PETERS 60., PHoTc'LITHa, WASHINGTON. D. c.

A. A. RUTTAN.

SAW GUARD.

APPLICATION FILED JULY 22. 1912.

1 l mflflwo Patented May 25, 1915.

2 SHEETS-SHEET 2.

THE NORRIS PETERS CO.. FHOTOVLITHOV. WASHINGTON, D. c.

' when not in use,

ALFRED A. BUT'IAN, or ROCHESTER, new YORK.

SAW-GUARD.

iaaoaoo.

Specification of Letters Patent.

Patented May 25, 1915.

Application filed July 22, 1912. Serial No. 710,850.

T all whom it may concern Be it known that I, ALFRED A. RUTTAN, ofRochester, in the county of Monroe and State ofNew York, have inventedcertain.

new and useful Improvements in Saw- Guards; and I do hereby declare thefollowing to be a full, clear, and exact description of the same,reference being had to the accompanying drawings, forming a part of thisspecification, and to the reference numerals marked thereon.

My invention relates to saw guards, and it has for its object to providea guard that is capable of ready adjustment transversely of the cuttingplane of the saw, and the movement of which in the direction of theplane of the saw may be adjustably limited.

Another object of my invention consists in arranging the parts in such amanner that the guard is rigidly supported on the saw table in a mannerso as to efiectually prevent it from losing its proper relation to thesaw.

Still a further object of my improvement resides in the provision ofmeans for throwing the guard upwardly away from the saw and looking itin such upper position, and also the devices for limiting its downwardmovement for use with different styles of work, where it must bearranged at varying elevations above the saw.

To these and other ends the invention consists in certain improvementsand combinations of parts, all as will be hereinafter more fullydescribed, the novel features being pointed out in the claims at the endof the specification.

In the drawings: Figure 1 is a side elevation, partly in section, of asaw table embodying a preferred arrangement of my invention; Fig. 2 is aview in front elevation of the same; Fig. 3 is a side elevation, showingthe guard in raised position; Fig. 4: is a detail plan view, and Fig. 5is a sectional view on the line 5-5 of Fig. 4.

Similar reference numerals throughout the several figures indicate thesame parts.

With these objects in View, my invention preferably comprises a sawtable 1, provided with the rotary saw 2 arranged therebeneath in theusual manner. The guard is mounted on the table, preferably in themanner that will now be described, and to this end I provide posts 3which are threaded or otherwise attached to the saw table, and areslotted at their upper ends, as indicated at 4c, to provide bearings forthe guard support that will be described hereinafter. The guard isdesignated at 5, being secured to the forwardly extending arm 6 whichconstitutes a portion of the guard support designated at 7. The guardsupport is preferably in the form of a T-shaped bar or rod, as shown,being provided with cylindrical end portions 8 which engage the slottedposts 3 and are rotatable therein. By this means, the guard is throwntoward the saw when in use, and moved upwardly as shown in Fig. 3 whennot in use. In order to limit the downward movement of the guard, tovary its height for different styles of work, there is preferablyprovided an extension 9 on one of the posts 3, said extension having athreaded opening therein which receives the threaded pin 10, the latterbeing operated by a knurled head 11 and held in adjusted position bymeans of the lock nut 12. The pin constitutes an adjustable stop, whichis engaged by the arm 13 formed on the guard support. By moving theadjustable stop upwardly or downwardly, the movement of the guardsupport is correspondingly controlled, thereby permitting the guard tobe moved closer to or farther from the saw, as desired. In order to holdthe guard in its upward position when not in use, the extension 9 hasattached thereto a downwardly projecting leaf spring 1 1 which engagesthe upper face of the arm 13, as shown in Fig. 3, holding the guardsupport raised until the spring is released.

The support may be .held in position on the post in any suitable manner,as for instance, by means of cotter pins 15. In order to adjust the sawguard in a direction transversely to the plane of the saw, I employmeans for permitting the support to be adjusted longitudinally andholding it in such adjusted position. To this end, I preferably providea series of washers or spacing plates 16, arranged between one end ofthe support and the corresponding post 3. To adjust the supportlongitudinally, the washers are removed and transferred to the oppositeend of the support, being there disposed between the other post and thecorresponding end of the support. By changing the number of washers atthe respective ends of the support, the desired adjustment can beaccurately obtained, and the guard is thus held fixedly in properrelation to the saw.

17 designates a spreader attached to the guard at the rear edge thereof,and extending downwardly to a point in rear of the uppermost-point ofthe saw, so as to engage the work in the cut produced by the saw, andseparate the strips. spreader to the guard, it is rigidly held, and canbe accurately retained'in proper position relatively to the work. Itwill be ap-' parent that if the guard is too low for the work, or anunusually thick piece of w rk is inserted, the guard will beraisedawayefrom the saw by contact With the top of the work, its weightbeing sufiicient to: hold it in normal pvosition as shown in Fig. 1

While I have shown and described a pan ticular arrangement of myinvention, itis to be understood that I am not limited to. the preciseconstruction disclosed as Ibelieve it to be, new to provide foradjusting a saw guard in a direction transverse to the plane of the..saw,jand, for adjustably limiting the movement of the guard toward thesaw, I desire to cover by thisapplicat-ion any modifications ordepartures that mayeome within the scope of the claims hereinafter.

I claim as my invention:

1. The combination witha saw; table, of a pair of vertically arrangedpostsmounted thereon in spaced relation to each other, a

horizontally disposed support piv otall garranged on said posts, a guardrigidly carried by said support, ,and adjustable means forglimiting therotative movement of the support.

2. The combination with a saw table, and a'rot-ary saw arrangedEtherebeneath,\of a By attaching the support pivotally mounted on thesaw table and adjustable in a direction transverse to the cuttingiplaneof 'the saw, adjustable means for limiting the movement of the supportin the direction of the plane of the port. v a

3. Thecombinati-on with a saw table, of a pair of vertically disposedposts mounted thereon in spaced relation to each other and provided-withbearings, a horizontally disposed support mounted in said bearings, and

adjustable in the direction of its length, the support being rotatablein said bearings, an adjnstablestop carried by one of said posts, an armon the support adapted to engage saidstop, and a guard rigidly mountedonthe support. o a v ,4. In combination with a saw table, a pair ofvertically disposed posts mounted thereon in spaced relation to eachother and provided with bearings arranged above the table, ahorizontally disposed support rotatably mounted in said bearings, thesupport being adjustable in said bearings in the direction of its lengthor transversely of the plane of the saw, a guardrigidly mounted on thesupport intermediate the ends there of, an adjustable Stop arranged onone of the posts, and an arm or extension on the support having!engagement with said v stop.

ALFRED A. YRUTTAN.

-Wit nesses I FRANK 0.;SHERMAN, WILLIAM S HULER.

copi esxotthis patent may vbeobtained tor five cents each, y vaddressingthe 5 Commissioner of ,Patents, .washipgtomll, Q. a

saw, and a guard rigidly carried by the sup-

